NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...

Recently, a group of scientists created a detailed map of this space, showing that the bubble is lopsided in both shape and ...

Twin siblings, twin peaks, twin cities, twin planets... Two earths, one solar system. How would that work?

Jupiter is the largest planet in our Solar System and the fifth planet from the Sun. It is a massive gas giant made mostly of hydrogen and helium, the same elements that form stars.